Mop



FIG. 1 is a top and front perspective view of the mop, showing my new design;

FIG. 2 is a front view thereof, the back view being the mirror image of the front view;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a top view thereof. 

The ornamental design for a mop, as shown and described. 